Indoanilines in keratinic fiber dye compositions

ABSTRACT

WHEREIN R1 represents hydrogen, halogen, alkyl or alkoxy; R2 represents alkyl, hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl) and mesylaminoalkyl; R3 represents hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl), mesylaminoalkyl; or R2 and R3 together form with the nitrogen atom to which they are attached a heterocycle selected from piperidino or morpholino; R4, R5 and R6 each independently represents hydrogen, halogen, alkyl, alkoxy, acylamino, ureido or carbalkoxyamino, and R5 can also represent amino, alkylamino, hydroxyalkylamino or carbamylalkylamino. The alkyl and alkoxy groups above can contain from 1 to 6 carbon atoms and the acyl group can contain from 2 to 7 carbon atoms. The present invention also relates to a process for the preparation of the above indoanilines and to dye compositions for keratinic fibers, and in particular living human hair, containing said indoanilines.   Indoaniline of the formula

' United States Patent [191 Kalopissis et al.

[ 1 Dec. 30, 1975 [54] INDOANILINES IN KERATINIC FIBER DYE COMPOSITIONS [73] Assignee: Societe Anonyme dite: LOreal, Paris, France [22] Filed: June 24, 1974 [21] Appl. No.: 482,523

[30] Foreign Application Priority Data June 22, 1973 Luxemburg 67860 [52] U.S. Cl. 8/10.1; 8/10; 8/10.2; 8/1 1; 8/17; 8/25; 8/26; 8/90; 8/93; 260/2475 424/DIG. l; 424/DIG. 2; 424/47; 424/71 [51] Int. Cl. A61K 7/13 [58] Field of Search 8/l0.1, 10.2, 10, 11; 260/396 N; 96/100 [56] I References Cited OTHER PUBLICATIONS Tuclter, J. Soc. Cosmetic Chemists, Vol. 22, pp. 379-398, May l97l.

Priinq'ry Examiner-Albert T. Meyers Assistant ExaminerVera C. Clarke Attorney, Agent, or FirmCushman, Darby & Cushman [57] ABSTRACT I'hdoaniline of the formula wherein R represents hydrogen, halogen, alkyl or alkoxy; R represents alkyl, hydroxyalkyl, carbamylalkyl,

piperidinoalkyl, morpholinalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl) and mesylaminoalkyl;

R represents hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl),

mesylaminoalkyl; or R and R together form with the nitrogen atom to which they are attached a heterocycle selected from piperidino or morpholino;

R R and R each independently represents hydrogen, halogen, alkyl, alkoxy, acylamino, ureido or carbalkoxyamino, and R can also represent amino, alkylamino, hydroxyalkylamino or carbamylalkylamino. The alkyl and alkoxy groups above can contain from 1 to 6 carbon atoms and the acyl group can contain from 2 to 7 carbon atoms. The present invention also relates to a process for the preparation of the above indoanilines and to dye compositions for keratinic fibers, and in particular living human hair, containing said indoanilines.

13 Claims, No Drawings INDOANILINES IN KERATINIC FIBER DYE COMPOSITIONS The present invention relates to new indoanilines of the formula wherein R represents, hydrogen, halogen, alkyl or alkoxy;

R represents alkyl, hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl) and mesylaminoalkyl;

R represents hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl), mesylaminoalkyl; or R and R together form with the nitrogen atom to which they are attached a heterocycle selected from piperidino or morpholino;

R R and R each independently represents hydrogen, halogen, alkyl, alkoxy, acylamino, ureido or carbalkoxyamino, with the proviso that at least one of R R, and R not denoting hydrogen or halogen and at least two of them not denoting hydrogen when R or R is methyl, and R, can also represent amino, alkylamino, hydroxyalkylamino or carbamylalkylamino. The alkyl and alkoxy groups above can contain from 1 to 6 carbon atoms and the acyl group can contain from 2 to 7 carbon atoms. The present invention is also directed to a process for the preparation of the above indoanilines and to dye compositions for keratinic fibers, and in particular living human hair, containing said indoanilines. It will be understood that the above compounds can be present in the tautomeric forms of that represented by formula I.

Among the tautomer forms possible, one can mention R ai 1 5 4 and when R represents amino, alkylamino, hydroxylalkylamino or carbamylalkylamino, the formula R R1 NR 4- Q OH in which R to R have the meanings indicated above and R represents hydrogen, alkyl, hydroxyalkyl or carbamylalkyl.

The compounds of formula I can be prepared by condensing a compound of the formula wherein Z designates Nl-l or NO when R is in position meta to the NR R group, on a phenolic compound of the formula (III) wherein R R and R have the meanings given above in an aqueous alkaline, hydroalcoholic (preferably hydroethanolic or hydroisopropanolic) or hydroacetonic medium having a pH greater than 8 in the presence of an alkalizing agent and an oxidizing agent and at a temperature of about 0C.

The paraphenylenediamine can also be present in the form of an acid addition salt, for example in the form of a hydrochloride, a hydrobromide, sulfate or phosphate.

The oxidizing agent usefully employed in this condensation reaction can be, for example, H 0 an alkaline persulfate such as potassium or ammonium persulfate and an alkaline ferricyanide such as potassium ferricyanide.

The quantity of the oxidizing agent employed can vary from 1-5 times, preferably 1-3 times the stoichiometric amount required for oxidizing the pphenylenediamine to a quinone diimine.

Representative phenolic compounds usefully employed include 2-ureido phenol, 2,5-xylenol, 2-methyl- S-amino phenol, 2-methyl-5-ureido phenol, 2-methyl- S-acetylaminophenbl, 2-chloro-5-amino phenol, 2- chloro-S-acetylamino phenol, 2,6-di-methyl-3- acetylamino phenol, 2,6-dimethyl-3- amino phenol, 3-ureido phenol, 3-chloro-6-acetylaminophenol, 2- methyl-S-methylamino phenol, 2-acetylamino phenol, m-amino phenol, 2,6-dimethyl-3-ureido phenol, 3- methoxy phenol, 3-acetylamino phenol, 2-methyl-5- carbamylmethylamino phenol, Z-methyI-S-N-(B- hydroxyethylamino) phenol, 2,3-xylenol, 2-methyl-5- carbethoxyamino phenol and 2,6-xylenol.

Representative paraphenylene diamines usefully employed in the present invention include the following 2-methyl-4-N-(ethyl, carbamylmethyl) amino aniline, 2-methyl-4-N-(ethyl, fi-mesylaminoethyl) amino aniline, 2-methyl-4-N-ethyl, B-sulfoethyl) amino aniline, 4-N-(ethyl, B-piperidinoethyl) amino aniline, 4-N- (ethyl, carbamylmethyl) amino aniline, 4-N-(ethyl, fl-mesylaminoethyl) amino aniline, lLN-di-B-hydroxyethyl paraphenylenediamine, N-[(4-amino) phenyl] morpholine, N-[(4-amino) phenyl] piperidine, 4- amino-N,N-(ethyl, benzoylaminoethyl) aniline, and 3-methyl-4-N,N-( ethyl, fl-mesylaminoethyl) amino aniline.

The proportion of paraphenylenediamine to phenol can range between 3:1 and 1:1 and preferably between 1.221 and 1:1.

In a second embodiment of the present invention when Z represents NO, the phenolic compound of formula III is condensed on a nitroso derivative of paraphenylene diamine of the formula V wherein R to R have the meanings given above. This condensation is carried out in an aqueous or hydroalcoholic medium, preferably hydroethanolic, at a temperature between about 30 to 60C and preferably between 40 and 55C.

Representative nitroso derivatives usefully employed can include the following: 4-nitroso-N-(ethyl, B- piperidinoethyl) aniline, 4-nitroso-N-(ethyl, B-morpholinoethyl) aniline, 4-nitroso-N-(ethyl, fi-sulfoethyl) aniline, 4-nitroso-N-(di-B-hydroxyethyl) aniline, 3- methyl-4-nitroso-N-(ethyl, B-acetylaminoethyl) aniline, 3-methoxy-4-nitroso-N-(di-B-hydroxyethyl) aniline, 3-chloro-4-nitroso-N-(di-B-hydroxyethyl) aniline, 3-methyl-4-nitroso-N,N-(ethyl, Bbenzoylaminoethyl) aniline, 3-methyl-4-nitroso-N,N-(di-B-hydroxyethyl) aniline, 4-nitroso-N,N-( ethyl, B-mesylaminoethyl) aniline.

The proportion of the nitroso derivative to the phenolic compound generally ranges between about 2:1 and 1:1 and preferably between about 1.211 and 1:1.

The compounds in which R is in position ortho with respect to the group NR R and R is amino can be obtained by hydrolysis of the corresponding 3- acetylated derivative with a base such as sodium hydroxide.

The present invention also relates to dyes obtained by the condensation of a compound of formula II on a compound of formula III, as well as amino dyes obtained by the hydrolysis of compounds acetylated in the 3 position.

These dyes can be used to dye keratinic fibers and in particular living human hair.

Indoanilines, in particular those described in Luxembourg Pat. No. 58,848 of the assignee, which carry a primary amine group are of course known.

The indoanilines according to the present application are considered to be an improvement over known indoanilines. In particular the different possibilities for substitution of R and R permit a variation of the dye properties according to needs wherein the solubility of the dye is improved or diminished and wherein the affinity of the dye for the fibers can be improved as well as its resistance to washing and to light.

Moreover, the indoanilines according to the present invention permit an enlargement of the range of colors obtainable thus for example, shades of green and shades of orange-beige never attained up to the present can be achieved using the indoanilines of the present invention.

The present invention also has for an object a dye composition for keratinic fibers, in particular for living human hair, characterized by the fact that they include in an aqueous or hydroalcoholic solution at least one compound of formula I.

wherein R represents hydrogen, halogen, alkyl or alk- Y;

R represents alkyl, hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl (preferably acetylaminoalkyl or benzoylaminoalkyl) and mesylaminoalkyl;

R represents hydroxyalkyl, carbamylalkyl, piperidinoalkyl, morpholinoalkyl, sulfoalkyl, dialkylaminoalkyl, acylaminoalkyl, (preferably acetylaminoalkyl or benzoylaminoalkyl), mesylaminoalkyl; or R and R together with a nitrogen atom to which they are attached form a heterocycle selected from piperidino or morpholino; and

R R and R each independently represent hydrogen, halogen, alkyl, alkoxy, acylamino, ureido or carbalkoxyamino and R can also represent amino, alkylamino, hydroxyalkylamino or carbamylalkylamino, the alkyl and alkoxy groups being able to contain from 1 to 6 carbon atoms and the acyl group containing 2 to 7 carbon atoms. It is understood that the above compounds can be present in tautomeric forms of that represented by formula I.

These dye compositions generally include from 0.02% to 2% and preferably from 0.05 to 1 of the compound of formula I based on the total weight of the composition.

The dye compositions according to the present invention can include only the indoanilines of formula I.

It is however possible to mix the dyes according to the present invention with other dyes conventionally utilized for the dyeing of 'hair, for example, nitrobenzene dyes, azo dyes, anthraquinones, indamines, indophenols and/or other indoanilines.

The compositions according to the present invention generally are provided in the form of an aqueous or hydroalcoholic solution containing one or more compounds of formula I in mixture or not with other dyes. They can however also include thickening agents and be present in the form of creams or gels.

Representative thickening agents usefully employed in the dye compositions of the present invention include for instance, cellulosic derivatives such as meth- 5 ylcellulose, hydroxyethylcellulose, carboxymethylcellulose or acrylic polymers suchas sodium salt of polyacrylic acid or carboxyvinyl polymers.-

The, dye composition of the present invention can include as solvents, water, lower-alkanols, for example ethanol or isopropanol, polyalcohols such asglycols, for example ethylene, glycol, proplylenegylc'ol,butylglycol, diethyleneglycol, and the monomethyl'ether of diethyleneglycol. 1

The compositionsaccording to the present invention can also include various components.conventionally employed in cosmeticcompositions such as wetting agents for example oxyethylenated alkylphenols, oxyethylenated fatty acids, oxyethylenated fatty alcohols, sulfates and sulfon'ates of fatty alcohols, optionally oxyethylenated, dispersing agents, swelling agents, penetrating agents, emollients, polymers and/or perfumes. They can also be packaged in aerosol containers in the presence of :a gaseous propellant.

Representative gaseous propellants include nitrogen, nitrous oxide, volatile hydrocarbons such asbutane, isobutane or propane, or preferably the fluoronated hydrocarbons such as those sold under the name of Freon including dichlorodifluoroniethane, 1,1- difluoromethane, 1,2-dichlor-1,1 ,2,2-tetrafluorome thane or l-chloro-l,l-difiuoromethane. Mixtures of two or more of the above hydrocarbons or fluoronated hydrocarbons can also be employed.

The pH of the compositions can vary within wide limits. The pH generally ranges between 4 and 11, preferably between 6.5 and 10.5 and advantageously between 7 to 9.

The pH of the composition can be adjusted by the use of an alkalizing agent for example, ammonia, mono-, 55

dior triethanolamine, dior trisodium phosphate, sodium or potassium carbonate or with the use of acidifying agent, such as for example, acetic acid, lactic acid, phosphoric acid and citric acid.

The dyeing of keratinic fibers, in particular living human hair, using the dye compositions of the present invention can be carried out in a conventional manner by applying the composition to the fibers to be dyed, leaving the same in contact therewith fora period ranging between to 30 minutes, followed by rinsing and eventually washing and drying the fibers.

The compositions according to the present invention, when they are present in the form of a hydroalcoholic. solution, can also include a, cosmetic film-forming resin, in which case the compositions comprise a coloredhair-setting lotion which can be applied to wet hair prior to setting the same. 1

Representative cosmetic film-forming resins usefully employed in the composition of the present invention include for instance film-forming polymers such as: polyvinylpyrrolidone, copolymers of vinylpyrrolidone and vinyl acetate, copolymers of vinyl acetate and an unsaturated carboxylic acid such as crotonic acid, copolymers resulting from the copolymerization of vinyl acetate, crotonic acid and an acrylic or methacrylic ester, copolymers resulting from the copolymerization of vinylacetate and an alkylvinyl ether, copolymers resulting from the copolymerization of vinyl acetate, crotonic acid and a vinylester of a long carbon chain acid or even an allyl or methallyl ester of a long'carbon chain acid, copolymers resulting from'the copolymerization of an ester derived from an unsaturated alcohol and a short carbon chain acid, an unsaturated short carbon chain acid and at least one ester derived from an unsaturated short chain alcohol and an unsaturated acid, copolymers resulting from the copolymerization of at least an unsaturated ester and at least an unsatu-.

rated acid.

Representative resins include polyvinylpyrrolidone having a molecular weight of 10,000 to 360,000, copolymers of 10% crotonic acid and 90% vinyl acetate having a molecular weight of 10,000 to 70,000, copolymers of vinylpyrrolidone (PVP) and vinyl acetate (VA) having a molecular weight of 30,000 to 200,000, the ratio of PVP to VA being between about 30:70 and :30, copolymers of maleic anhydride and methylvinyl ether in a molar ratio of 1:1 and having specific viscosity measured at 25C at a concentration of 1 g in 100 cc of methylethylketone between about 0.1 and 3.5, the monoethylester, monoisopropylester and monobutylester of maleic anhydride methylvinyl ether copolymers, the copolymer of maleic anhydride and butylvinylether in a molar ratio of 1:1, the terpolymers of methyl methacrylate (15-25%)-stearyl methacrylate (1828%)- dimethyl methacrylate (52-62%), and the terpolymers of vinyl acetate (85%)allyl stearate (10-20%)allyloxyacetic acid (310%).

These resins are generally used in amounts between about 1 and 3% based on the total weight of the composition.

The alcohols generally used in the hair setting lotion compositions of the present invention are low molecular weight alcohols and preferably are ethanol or isopropanol. These alcohols are generally employed in amounts of 20 to 70% by weight of the total composition.

The hair setting lotion compositions of the present invention are employed in the conventional manner by applying the same to wet or damp hair previously washed and rinsed, followed by rolling the same on rollers and drying the hair.

The following examples illustrate the present invention. Unless otherwise indicated, all parts and percentages are by weight.

EXAMPLE 1 Preparation of N-[(4'-ethyl, carbamylmethyl amino- 2-methyl)phenyl]-2,6-dimethyl-3-amino benzoquinoneimine NH CH 0.025 mole (3.4 g) of 2,6-dimethyl-3-amino phenol and 0.025 mole (5.2 g) of 2-methyl-4-N-(ethyl, carbamylmethyl) amino aniline are dissolved in cc of isopropyl alcohol, 100 cc of water and 60 cc of ammonia at 22 Be. To the resulting solution there are then added 100 g of crushed ice and then little by little, with good agitation, 0.05 mole (11.4 g) of ammonium persulfate in 50 cc of water. At the end of this addition, the above indoaniline which has precipitated is filtered and the raw product is washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. lt exhibits a melting point of 220C.

zoquinoneimine H N COCH H HC 3 0.01 mole (1.79 g) of 2,6-dimethyl-3-acety1amino phenol is dissolved in cc of acetone-to which have been added 15 cc of ammonia at 22 Be. To this resulting solution, cooled to 0C, there are added simultaneously with the use of a double funnel, little by little and with agitation, 0.01 mole (3.56 g) of the-trihydrochloride of 4-N-(ethyl, B-piperidinoethyl) amino aniline in cc of water and 0.02 mole (4.56 g) of ammonium persulfate in 20 cc of water. At the end of this addition, the above indoaniline which has precipitated is filtered therefrom. After washing with water, recrystallizing in a hydroacetonic mixture and drying under a vacuum, the above product exhibits a melting point of 94C.

Preparation of N-[(4'-ethyl, carbamylmethyl amino) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine 0.4 mole (69.5 g) of the hydrochloride of 2,6-dimethyl-3-amino phenol and 0.4 mole (77.3 g) of 4-N- (ethyl,carbamylmethyl) amino aniline are dissolved in 800 cc of isopropanol, 1500 cc of water and 960 cc of ammonia at 22 Be. There are then added 1200 g of crushed ice and little by little, while maintaining the temperature of the reaction mixture near 0C, 0.44 mole g) of ammonium persulfate in 800 cc of water. The agitation of the reaction mixture is continued for an additional hour at which time the above indoaniline is filtered and after washing it with water and recrystallizing the same in a mixture of dimethylformamide and water, it exhibits a melting point of 218C.

Preparation of N-[(4-ethyl, B-mesylaminoethyl amino-2'-methyl) phenyl]-2-methyl-5-amino benzoquinoneimine.

NHSO CH 0.12 mole (14.8 g) of 2-methyl-5-amino phenol and 0.12 mole (32.5g) of 2-methyl-4-N-(ethyl, B- m'esylaminoethyl) amino aniline are dissolved in 450 cc of water to which have been added 450 cc of acetone and 300 cc of ammonia at 22 Be. There are then added 350 g of crushed ice and, little by little with good agitation, and while maintaining the temperature of the reaction mixture at about 0C, there is added 0.24 mole (54.8 g) of ammonium persulfate in 180 cc of water. At the end of the addition of these materials the reaction mixture is continued to be agitated for an additional 30 minutes. The above indoaniline which precipitates first in the form of an oil, slowly crystallizes and is then filtered, washed with water and recrystallized in a mixture of dimethylformamide and water. After drying under a vacuum the product exhibits a melting point of C.

3 ,929,404 9 l EXAMPLE nium persulfate in 30 cc of water. The raw indoaniline which has precipitated is then filtered and after washing it with water and then with acetone and recrystallizing the same in a mixture of dimethylformamide and water, the product is dried under a vacuum. lt exhibits a melting point of 205C.

Preparation of N-[(4'-ethyl, carbamylmethyl amino- 2'-methyl) phenyl]-2-methyl-5-ureido benzoquinoneimine. I 5

CH NHCONH,

Analysis Calculated for Found 7 v N --O l0 ao u 4 a C% 65.21 65.23 65.05 CH 11% 6.52 6.52 6.58 3 N% 15.21 15.14 14.98 0 ill-1 15 2 I EXAMPLE 7 Preparation of N-[(4'-ethyl,B-mesylaminoethyl lnitially, 0.02 mole 3.32 g) of 2-methyl-5-ureido am2"methyl)Phenyl1'2l6'dimethyl3'aetylami phenol is dissolved in 100 cc of isopropyl alcohol and benzoqumonelmme 100 cc of ammonia at 22 Be. There is also dissolved 0.022 mole (4.6 g) of 2-methy1-4'-N-(ethyl, carbamyle11 NHCOCHa H methyl) amino aniline in 20 cc of water to which have C 3 beenadded 5 cc of hydrochloric acid (d''l.l8). The 5 Q resulting two solutions are then mixed together and to 25 N O the resulting mixture there are added 160 g of ice, and

ice, and then little by little with agitation, while main- 9 2 taining the temperature of the reaction mixture near CH 0C, 0.044 mole (10.1 g) of ammonium persulfate in NHSO CH cc of water is introduced therein. The above raw in- 30 2 3 doaniline which precipitates is then filtered, washed with water and recrystallized in a mixture of dimethylmole (12-55 g) of 2,6'dlmethyl'3acetylammo formamide and water. After drying under a vacuum the Phenol P Q07 mole 19 B' product exhibits a melting point of 198C mesylammoethyl) ammo amllne are dlssolved 1n 260 cc of water to which have been added 260 cc of acetone and 175 cc of ammonia at 22 Be. There are then added Analysis Calculated for Found 200 g of crushed ice to the resulting mixture and then CwHmosNfi little by little with good agitation, while maintaining the c% 1,79 51,50 155 temperature of the reaction mixture near 0C, there is H% added 0.14 mole (32 g) of ammonium persulfate in 200 N% 18.97 18.86 18.77 40 cc of water. At the end of this addition the agitation of the reaction mixture is continued for an additional 30 minutes. The above indoaniline which has precipitated EXAMPLE 6 is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 171C.

Preparation of N-[(4'-ethyl, carbamylmethyl amino- 2' rnethyl)phenyl]-2-methyl-5-acetylamino benzoquinoneimine.

I Analysis Calculated for Found C I-1 N 05 3 NMComb c% 59.18 59.03 58.85 H 11% 6.77 6.79 6.85 N% 12.55 12.23 12.29 8% 7.16 7.27 7.21

(Hz EXAMPLE 8 CONl-l Preparation of N-[(4'-(ethyl, B-mesylaminoethyl- )amino-2'-methyl) phenyl] -2,6-dimethyl-3-amino benzoquinoneimine. 0.02 mole (3.3 g) of 2-methyl-5-acetylamino phenol is dissolved in 100 cc of isopropyl alcohol, 150 cc of CH NH CH water and 100 cc of ammonia at 22 Be. There is also H c 3 2 3 dissolved 0.022 mole (4.6 g) of 2-methyl-4-N-(ethyl,- 5 K carbamylmethyl) amino aniline in 20 cc of water to N O which have been added 5 cc of hydrochloric acid (d 1.18). The resulting two solutions are combined and 1:11 I there is added thereto, little by little with agitation, 3 while maintaining the resulting reaction mixture at a 2 temperature near 0C, 0.044 mole (10.1 g) of ammo- 0.15 mole (20.5 g) of 2,6-dimethyl-3-amino phenol and 0.15 mole (40.65 g) of 2-methyl-4-N-(ethyl,B- mesylaminoethyl) amino aniline are dissolved in 560 cc of water to which have been added 560 cc of acetone and 375 cc of ammonia at 22 Be. There are then added 450 g of crushed ice and little by little while maintaining the temperature of the reaction mixture near C, there is added 0.30 mole (68.4 g) of ammonium persulfate in 220 cc of water. At the end of this addition the agitation of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum at 80C. The above product exhibits a melting point of 166C.

Preparation of N-[(4-di-B-hydroxyethylamino) phenyl]-2,6-dimethyl-3-amin0 benzoquinoneimine.

0.01 mole (1.73 g) of 2,6-dimethyl-3-amino phenol and 0.01 1 mole (2.1 g) of N,N-di-B-hydroxyethyl paraphenylenediamine are dissolved in 40 cc of water to which have been added cc of ammonia at 22 Be. While maintaining the temperature of the reaction mixture at 0C, there is then added little by little, with agitation, 0.022 mole (5 g) of ammonium persulfate in 25 cc of water. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 190C.

Preparation of N-[(4'-ethyl, carbamylmethyl amino- 2'-methyl) phenyl]-2-methyl-5-amino benzoquinoneimine.

0.005 mole (0.62 g) of 2-methyl-5-amino phenol and 0.005 mole of 2-methyl-4-N-(ethyl, carbamylmethyl) amino aniline (1.03g) are dissolved in 25 cc of water to which have been added 10 cc of acetone and 20 cc of a normal sodium hydroxide solution. To the resulting solution, cooled in ice, there is then added little by little with agitation 0.01 mole (2.3 g) of ammonium persulfate in 23 cc of water. The above indoaniline which has precipitated is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It exhibits a melting point of 225C.

0.005 mole (0.61 g) of 2,5-xylenol and 0.005 mole (1.36 g) of 2-methyl-4-N-(ethyl,B-mesylaminoethyl) amino aniline are dissolved in 50 cc of a 0.5 N sodium hydroxide solution to which have been added 20 cc of ethanol. To the resulting solution, cooled in ice, there is then added, little by little, with agitation, 0.01 mole (2.3 g) of ammonium persulfate in 23 cc of water. The indoaniline, which first precipitates in the form of an oil, crystallizes slowly. The indoaniline is then filtered, washed with water and recrystallized in isopropanol. lt melts at 118C.

Analysis Calculated for Found m u a a C% 61.72 61.52 61.53 11% 6.94 7.02 6.96 N% 10.79 10.65 10.75 S% 8.22 8.45 8.33

EXAMPLE 12 Preparation of N-[(4-ethyl, B-acetylaminoethyl amino-2-methyl) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine.

c u H502 H3 H2 cu 1 l NHC0CH3 0.01 mole (1.38 g) of 2,6-dimethyl-3-amino phenol and 0.01 mole (2.85 g) of the hydrochloride of 3-methyl-4-nitroso-N-(ethyl, B-acetylaminoethyl) aniline are dissolved in 50 cc of a 50% hydroethanolic solution. The resulting solution is heated for thou at 40C. After cooling and adding thereto cc of water, the above indoaniline precipitates and is filtered therefrom. The filtered indoaniline is then washed with water and recrystallized in a mixture of dimethylformamide and water and after drying under a vacuum, exhibits a melting point of 196C.

Z C1-l 1" 111180 011 0.02 mole (3.3 g) of 2-methyl-5-acetylamino phenol and 0.02 mole (5.42 g) of 2-methyl-4-N-(ethy1-B- mesylaminoethyl) amino aniline are dissolved in 150 cc of a 50% hydroisopropanolic solution to which have been added 50 cc of ammonia at 22 Be. There are then added g of crushed ice and little by little with agitation, there is introduced 0.022 mole (5.02 g) of ammonium persulfate in 25 cc of water while maintaining the temperature of the reaction mixture at about 0C. At the end of this addition, the above indoaniline which precipitates is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. The product exhibits a melting point of 185C.

Analysis Calculated for Found C, H, N,0 S

C% 58.33 58.17 58.09 H% 6.48 6.40 6.52 N% 12.96 12.69 12.94

EXAMPLE 1 4 Preparation of N-[(4'-di-B-hydroxyethylamino) phenyl]-2-ureido benzoquinoneimine.

0.01 mole (1.52 g) of 2-ureido-phenol and 0.01 mole (1.96 g) of N,N-di-B-hydroxyethyl paraphenylenediamine are dissolved in 50 cc of water to which have been added 10 cc of ammonia at 22 Be. To the resulting solution, cooled in ice, there is then added, little by little, with agitation, 0.01 mole (3.29 g) of potassium ferricyanide in 25 cc of water. At the end of this addition, the above indoaniline which has precipitated is filtered, washed with water, and dried under a vacuum. The product is chromatographically pure and melts at a temperature of 139C.

Analysis Calculated for Found CHI-[211N404 EXAMPLE l5 Preparation of N-[(4'-di-B-hydroxyethyl amino) phenyl]-2,6-dimethyl-3-acetylamino benzoquinoneimine, monohydrate.

0.1 mole (17.9 g) of 2,6-dimethyl-3-acetylamino phenol and 0.1 mole (19.6 g) of N,N-di-B-hydroxyethyl paraphenylenediamine are dissolved in 500 cc of a 50% hydroisopropanolic solution to which have been added cc of ammonia at 22 Be. To the resulting mixture there are added 300 g of crushed ice, and then little by little with agitation, 0.2 mole (45.6 g) of ammonium persulfate in cc of water. At the end of the addition the agitation'of the reaction mixture is continued for an additional 15 minutes. The above-identified indoaniline is then filtered; washed first with water and then 15 with acetone, recrystallized in a mixture of dirnethylformamide and water and dried under a vacuum. The product exhibits a melting point of 92C.

Preparation of N-[(4-di-B-hydroxyethyl amino) phenyl]-2-methyl-5-acetylamino benzoquinoneimine.

1-1O-CH2CH\2 NHCOCH3 no-cn -u1 0.1 mole (16.5 g) of 2-methyl-5-acetylamino phenol and 0.1 mole (19.6 g) of N,N-di-,B-hydroxy-ethyl'paraphenylenediamine are dissolved in 500 cc of a 50% hydroisopropanolic solution to which have been added 100 cc of ammonia at 22 Be. To the resulting mixture there are added 300 g of crushed ice and then little by little and with good agitation 0.2 mole (45.6 g) of ammonium per sulfate in 150 cc of water. At the end of the addition, the agitation of the reaction mixture is continued for 15 minutes. The above indoaniline is then filtered, washed with water and then with acetone, recrystallized in a mixture of dimethylformamide and water and dried under vacuum. The product exhibits a melting point of 198C.

amino) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine, monohydrochloride, monohydrate.

?\N- -N= =0, RC1 .H 0 2 cu 2 CH3 r N 0.01 mole (3.34 g) of the dihydrochloride of 4- nitroso-Nethyl-N-B-piperidinoethyl aniline and 0.01 mole (1.73 g) of the hydrochloride of 2,6-dimethyl-3- amino phenol are dissolved in 40 cc of a 0.5 N sodium hydroxide solution. The resulting reaction mixture is permitted to stand overnight at ambient temperature. Thereafter, the above indoaniline which precipitates under the form of the monohydrate, monohydrochloride crystals is then filtered, washed first with water and then with acetone and dried under a vacuum. The product melts with the decomposition at 194C.

Analysis Calculated for Found C Pl MCIO C% 63.70 63.53 63.80 H% 8.06 7.89 7.90 N% 12.90 12.58 12.61 Cl% 8.20 8.25 8.34

EXAMPLE 18 Preparation of N-[(4-ethyl,B-benzoylamino ethyl amino-2-methyl)phenyl]-2,6-dimethyl-3-amino benzoquinoneimine.

NH C11 2 cu H C 3 1 3 0.01 mole (3.48 g) of the hydrochloride of 3-methyl- 4-nitroso-N-ethyl-N-B-benzoylaminoethyl aniline and 0.01 mole (1.73 g) of the hydrochloride of 2,6-dimethyl-3-amino phenol are dissolved in 40 cc of a 0.5 N sodium hydroxide solution to which have been added 30 cc of ethanol. The resulting reaction mixture is stirred for two hours at 40C, cooled and then alkalinized with the aid of ammonia at 22 Be. The above indoaniline which precipitates is then filtered, washed with water and recrystallized in acetone. After drying under a vacuum, the product exhibits a melting point of 222C.

Analysis Calculated for Found C2BH3BN1O2 C% 72.53 72.47 72.42 H% 7.02 7.18 7.17 N% 13.01 13.09 12.91

EXAMPLE 19 Preparation of N-[(4'-ethyl, carbamylmethyl amino- 2'-methyl) phenyl]-2-chloro-5-amino benzoquinoneimine.

17 18 CH NR EXAMPLE 21 2 Preparation of N-[(4-di-B-hydroxyethyl amino) phe- N- -N= O nyl]-2-chloro-5-amino benzoquinoneimine.

5 CH 1 2 I l R0CH -CH NH N11 0.01 mole (2.07 g) of 2-methyl-4-N-(ethyl, carbamylmethyl) amino aniline and 0.01 mole (1.43 g) of How" cl 2-chloro-5-amino phenol are dissolved with agitation in 2 2 40 cc of water to which have been added 10 cc of isopropanol and 10 cc of ammonia at 22 Be. There is 0.01 mole (2.46 g) of the hydrochloride of 4-nitrosothen added, little by little with agitation, to this mix- 15 di-B-hydroxyethylaniline and 0.01 mole of 2-chloro-5- ture, cooled to 0C, 0.01 mole (3.29 g) of potassium amino phenol are introduced into cc of a 0.5 N ferricyanide in solution in cc of water. At the end of Sodium hydroxide solution to which have been added 5 this addition, the above indoaniline which precipitates C6 of ethanol. The resulting reaction mixture is mainis filtered, washed with water, and recrystallized in a tained under agitation for 3 hours at 55C. After coolmixture of dimethylformamide and water. It is then 20 ing, the above indoaniline which precipitates, is then re rystallized in h droa etoni mixtur and dried filtered, washed with water, recrystallized in a mixture under a vacuum. The resulting product exhibits a melt- 0f ethylformamide and water and dried under a ing oint of 220C. vacuum. lt exhibits a melting point of 213C.

Analysis Calculated for Found Analysis Calculated for Found c.,1-1,.,r-1.c1o c,,i1,,N,c1 o

. C% 58.87 58.94 59.04 C% 57.22 57.14 57.20 H% 5.53 5.66 5.70 H% 5.35 5.22 5.27 N% 16.16 16.25 16.32 N% [251 12-47 12-54 01% 10.58 l0.56 10.56

EXAMPLE 20 Preparation of N-[(4'-ethyl, B-morpholinoethyl amino) phenyl]-2-methyl-5-amino benzoquinonei- EXAMPLE 22 Preparation of N-[(4'-di-B-hydroxyethyl amino) phenyl]-2-chloro-5-acetylamino benzoquinoneimine.

mine.

. H NHCOBH H C NR2 HO CH2 C 2 I 3 11 I r1 110-01 -011 C1 CH Z 0.01 mole (1.96 g) of N,N-di-B-hydroxy-ethyl para- N phenylenediamine and 0.01 mole (1.85 g) of 2-chloro- S-acetylamino phenol are dissolved in 40 cc of a 1.25 N sodium hydroxide solution. To the resulting solution, 0, cooled to 0C, there is added little by little with agitation, 0.02 mole (4.6 g) of ammonium persulfate in 20 cc of water. At the end of this addition, the reaction mole (3'36 g) of the dlhydrochlonde of 4 mixture is continued to be agitated for 15 minutes. The

above indoaniline which precipitates is then filtered,

5 washed first with water and then with acetone, and

dried under a vacuum. The product exhibits a melting point of 210C.

nitroso-N-(ethyl, B-morpholinoethyl) aniline and 0.01 mole (1.23 g) of 2-methyl-5-amino-phenol are dissolved in 40 cc of the 0.5 N sodium hydroxide solution to which have been added 10 cc of ethanol. The resulting reaction mixture is stirred for two hours at 40C. After cooling there are added thereto 10 cc of a l N sodium hydroxide solution. The above indoaniline Anal sis Calculated for Found which precipitates is then filtered, washed with water, y CIBHMONaCl recrystalhzed in a hydroacetonic mixture and dlclled (3% 57.22 57.13 57m under a vacuum. The resulting product melts at 93 C. 5,30 541 i N% 11.12 11.10 11.05

Analysis Calculated for Found 5 2l 28 4 Z 0% 68.45 68.27 68.34 EXAMPLE 23 2% 2:2? $23 $22 Preparation of N-[(4'-di-B-hydroxyethyl amino) phenyl]-3-chloro-6-acetylamino benzoquinoneimine.

19 20 HO-CH CH c1 c1 NH CH 2 1 2 HOCHZLHZ I z 3- no-cu -cu NHCOCH3 HO-CH2-CH2 3 0.01 mole (1.96 g) of N,N-di-B-hydroxyethyl para- 10 0.005 mole (1.40 g) of the hydrochloride of 3- phenylenediamine and 0.01 mole (L85 g) of 3-chlor0- chloro-4-nitroso-di-B-hydroxyethylaniline and 0.005 6-acetylamino phenol are dissolved in 50 cc of a l N mole (0.87 g) of the hydrochloride of 2,6-dimethyl-3- sodium hydroxide solution. To the resulting solution, amino phenol are introduced into 10 cc of a l N socooled to C, there is added, little by little, with agitadium hydroxide solution to which have been added cc tion, 0.02 mole (4.6 g) of ammonium persulfate in 20 of ethyl alcohol (96). The reaction mixture is agitated cc of water. At the end of this addition, the above at 40C for aperiod of 1 hour. After cooling, the above indoaniline which precipitates is filtered, washed with indoaniline which precipitates is filtered, first washed water and then recrystallized first in a hydroacetonic with a 50% hydroalcoholic solution and then with wamixture and then in a mixture of dimethylformamide ter, recrystallized in a mixture of dimethylformamide and water. After drying under a vacuum the product and water and dried under a vacuum. The product exhibits a melting point of 94C. exhibits a melting point of 177C.

Analysis Calculated for Found Analysis Calculated for Found C.,,H,,0,N,C1 C H Np Cl C% 57.22 57.l9 57.22 C% 59.42 59.28 59.36 H% 5.30 5.36 5.45 11% 6.05 6.22 6.19 N% 11.12 11.14 11.19 N% 11.55 11.43 11.50

EXAMPLE 24 EXAMPLE 26 Preparation of N-[(4'-di-B-hydroxyethyl amino-2'- Preparation of N-[(4'-ethyl,B-sulfoethyl amino-2- chloro) phenyl]-2-chloro-5-amino benzoquinoneiinine. methyl) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine under the form of its ammonium salt.

2 H C ca 1111 C11 N- N'-" 40 I 0 HO-Cll "CH C],

0.005 mole 1.40 g) of the hydrochloride of 3- chloro-4-nitroso-di-B-hydroxyethylaniline and 0.005 mole (0.72 g) of 2-chloro-5-amino phenol are introduced into 10 cc of a l N sodiumhydroxide solution to 01 mole (L73 g) f the hydrochloride f 2 which have been added 5 cc of ethanol The dimethyl-3-amino phenol is introduced into 30 cc of a resulting reaction mixture is maintained for 2 hours hydmisopropopahohc solution to Which have with agitation at 40C and then left to stand overnight 50 been added 10 cc of ammonia at 0 Be There are then at ambient temperature. The above indoaniline which added with agitation 0.01 mole 25 g) f 4 N precipitates is then filtered, washed with water and (ethylp sulfoethyl) amino 2 methy| aniline in 50 cc of recrystallized in a mixture of dimethylformamide and water and then little by little 00 mole (26 g) of K32 152 23 g gfg l gigg the product exhlb' ammonium persulfate in 10 cc of water. The resulting g p reaction mixture is left to stand overnight at 0C. The above indoaniline which has crystallized in the form of Analysis cmuiaied for pound its ammonium salt is then filtered. The thus recovered cwl'lnNaosclz indoaniline is washed with a little water and then with C% 51.89 51.72 51.68 50 acetone and subsequently dried under a vacuum. It l-l% 4.59 4.77 4.63 N% H35 H27 H25 melts with decomposmon at 200 C. The product 18 chromatographically pure.

EXAMPLE 25 Analysis Calculated for Found c.,,1-1,,,o,N.s

21 EXAMPLE 27 0.2 mole (33.2 g) of 2-methyl-5-ureido phenol and 0.22 mole (43.12 g) of N,N-di-B-hydroxyethyl paraphenylenediamine are dissolved in 500 cc of acetone to which have been added 200 cc of ammonia at 22Be. There are then added 500 g of crushed ice and little by little with agitation 0.4 mole (92 g) of ammonium persulfate in 300 cc of water. At the end of this addition, the reaction mixture is continued to be agitated for 30 minutes. There are then added 500 cc of acetone. The above indoaniline which precipitates is then filtered, washed with water and recrystallized in a mixture of dimethylformamide and water. The product is then 22 EXAMPLE 29 Preparation of N-[(4'-di-B-hydroxyethyl amino) phenyl]-2,5-dimethyl benzoquinoneimine.

HO-CH2-CH 0.1 mole (12.2 g) of 2,5-xylenol and 0.1 mole (19.6 g) of N,N-di-B-hydroxyethyl paraphenylenediamine are dissolved in 300 cc of acetone to which have been added 100 cc of ammonia at 22 Be. There are then added 300 g of crushed ice and little by little and with agitation 0.2 mole (45.6 g) of ammonium persulfate in 150 cc of water. The resulting reaction mixture is maintained with agitation for 1 hour at a temperature of about 0C. The above indoaniline which precipitates is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. The product exhibits a melting point of 135C. dried under a vacuum at 60C and exhiblts a melting point of 186C. It is again recrystallized and this time exhibits a melting point Of 233C. Analysis Calculated 161 Found C% 68.79 68.63 68.73 Analysis Calculated for Found H% 7.01 7.17 7.05 c,,1-|,, ,o, 11% 8.92 9.10 8.99

c% 60.34 60.0 59.97 H% 6.14 6.21 6.24 N% 17.88 17.82 17.79

EXAMPLE 30 Preparation of N-[(4'-ethyl,B-morpholinoethyl EXAMPLE 28 amino) phenyl]-2,6-dirnethyl-3-amino benzoquinonei- Preparation of N-[(4'-di-B-hydroxyethyl amino) phenyl]-2-methyl-5-amino benzoquinoneimine.

0.22 mole (54 g) of the hydrochloride of 4-nitroso- N,N-di-B-hydroxyethylaniline and 0.2 mole (24.6 g) of 2-methyl-5-amino phenol are dissolved in 720 cc of a 0.3 N sodium hydroxide solution to which have been added 200 cc of ethanol (96). The solution is maintained with agitation for 1 hour at 50C. The above indoaniline which precipitates is then filtered, washed with water and subsequently dried under a vacuum. The product melts at 107C.

Analysis Calculated for Found mine.

washed with water and recrystallized in acetone. After temperature at about C, 0.02 mole (4.6 g) of ammodrying under a vacuum, the product exhibits a melting nium persulfate in 40 cc of water. At the end of this point of 133C. addition, the reaction mixture is continued to be agitated for minutes. The above indoaniline which has precipitated is then filtered, washed with water and Analysls Calculated Fmmd subsequently recrystallized in acetone. After drying C H ON 2 underavacuum,the product exhibltsameltmg point of 0% 69.08 68.83 69.25 244C l-1% 7.91 8.02 8.10 N% 14.65 14.67 14.65 10 Analysis Calculated for .Found l'l l9 3 I EXAMPLE 31 c% 68.66 68.45 68.73 H% 6.44 6.47 6.42 Preparatlon of N-[(4-d1-fl-hydroxyethyl amino-2 N% 14,13 14,2 14,19 methoxy) phenyl]-2,6-dimethyl-3-amino benzoquinoneimine.

EXAMPLE 33 HO CH S Z CH Preparation of N-[(4'-morpholino) phenyl]-2,6-

2 2 i l 3 dimethyl-3-amino benzoquinoneimine.

HO-CH2CH2 CH i N: =0

0.0275 mole (7.6 g) of the hydrochloride of 3- CH methoxy-4-nitroso-N,N-di-B-hydroxyethylaniline and 30 3 0.025 mole (4.34 g) of the hydrochloride of 2,6- dimethyl-3-amino phenol are introduced into 110 cc of 0.01 mole (1.78 g) of N-[4-(amino) phenyl] mora l N sodium hydroxide solution to which have been pholine and 0.01 mole (1.74 g) of the hydrochloride of added cc of ethanol. The resulting reaction mixture 2,6-dimethyl-3-amin ph nol are dissolved in 40 cc of is maintained with agitation for minutes at 50C. water to which have been added 18 cc of ammonia at After g. the above-identified ind lin which 22Be. To the resulting solution there is added, little by h pr p is then filtcrcd. Washed first with water little with agitation, while maintaining the temperature and then th acetone After y g under a vacuum. of the reaction mixture near 15C, 0.01 mole (2.3 g) of the product ex ib ts a melting p in of 145C and i5 ammonium persulfate in 15 cc of water. At the end of chrom gr phi lly nin this addition, the agitation of the reaction mixture is continued for 20 minutes. The above indoaniline which has precipitated is filtered, washed with water and re- Analysis Calculated crystallized in a mixture of dimethylformamide and ul 25 3 4 C7 63 50 63 2 63 24 water. The product is then dried under a vacuum and exhibits a melting point of 206C. N% 11.69 11.65 11.59

Analysis Calculated for Found HJ H S S EXAMPLE 32 c% 69.43 69.46 69.27 H% 6.80 6.82 7.0 Preparat1on of N-[(4-morphol1no) phenyl]-2-meth- N% 1350 1359 13459 yl-5-amin0 benzoquinoneimine.

T"; EXAMPLE 34 Preparation of N-[(4'-piperidino) phenyl]-Z-methyl- 0 N- -N= 0 S-amino benzoquinoneimine.

pholine and 0.01 mole (1.23 g) of 2-methyl-5-amino l phenol are dissolved in 25 cc of water to which have CH been added 20 cc of acetone and 5 cc of ammonia at 3 22 Be. To the resulting solution, there is then added,

little by little, with agitation and while maintaining the 0m mole 225 g) of the ulfat of 4'.

25 26 phenyl] piperidine and 0.01 mole (1.23 g) of Z-methyl- EXAMPLE 36 S-amino phenol are dissolved in 40 cc of a 50% hydr- I Preparation of N-[(4 -ethyl,fi-mesylam1noethyl oacetonic solution to which have been added 10 cc of amino) phenyl] 2,6 dimethyl 3 acetylamino hem ammonia at 22 Be. To the resulting solution there is zo uinoneimine. added, little by little, with agitation, and while mam- 5 q taining the temperature near C, 0.02 mole (4.6 g) of NHCOCH ammonium persulfate in 40 cc of water. At the termi- 3 3 nation of this addition, the agitation of the reaction H 0 mixture is continued for minutes. The above in- 10 doaniline which has precipitated is then filtered, N N washed with water and recrystallized in a mixture of dimethylformamide and water. After drying under a 1 CH vacuum the product exhibits a melting point of 208C. 3

Analysis Calculated for Found mole g) of y .B- y y CIBHZINJO amino aniline and 0.01 mole (1.79 g) of 2,6-dimethyl- (3% 7319 7298 7396 3-acetylamino phenol are dissolved in 30 cc of a 50% 11% hydroacetonic solution to which have been added 15 cc N% 1440 of ammonia at 22 Be. The resulting reaction mixture is cooled to 0C and there is then added, little by little, with agitation 0.02 mole (4.6 g) of ammonium persul- EXAMPLE 35 fate in 15 cc of water. At the end of this addition, the

5 agitation of the reaction mixture is continued for 15 minutes, at which point there are added cc of acetone. After several hours of cooling to 0C, the above indoaniline crystallizes and is then filtered from the 2 NHCONH reaction mixture, washed with water and recrystallized C 30 in hydroacetonic medium. After drying under a vacuum, the product exhibits a melting point of 130C.

2 'Preparation of N-[(4'-ethyl,carbamylmethyl amino- 2'-methyl) phenyl]-3-ureido benzoquinoneimine.

2 Analysis Calculated for Found I c,,H,,N,o,s c% 58.32 58.18 58.34 N 1-1% 6.53 6.71 6.64 N% 12.96 12.93 12.76 3% 7.40 7.33 7.38 0.04 mole (6.08 g) of 3-ureido phenol is dissolved in 200 cc of isopropyl alcohol to which have been added 40 200 cc of ammonia at 22 Be. Further, 0.044 mole (9.2

EXAMPLE 37 g) of 2-methyl-4-N-(ethyl, carbamylmethyl) amino aniline is dissolved in 40 cc of water to which have been Preparation of N-[(4-di-B-hydroxyethyl amino-2'- added 10 cc of hydrochloric acid (d 1.18). These two solutions are then mixed together and there are added mi lCH N11 CH 3 H0 --CH -CHR N O H0 CH CH N 2 CH thereto 330 g of ice. To the resulting ice solution there 3 is introduced, little by little with agitation, while maintaining the temperature thereof near 0C, 0.088 mole Into 20 cc of a l N sodium hydroxide solution to methyl) phenyl]-2,6-dimethyl-3-amino benzoquinonei- (20.2 g) of ammonium persulfate in cc of water. At the end of this addition, the above raw indoaniline which has precipitated is then filtered, and washed with water. After recrystallization in a mixture of dimethylformamide and water and drying under a vacuum, the product exhibits a melting point of 234C.

Analysis Calculation for Found lB 21 3 -5 C% 60.84 60.65 60.72 H% 5.9 1 6. 1 2 6.00 N% 19.71 19.92 19.86

which have been added 20 cc of ethanol, there are introduced with agitation and at ambient temperature, 0.02 mole (5.20 g) of the hydrochloride of 3-methyl-4- 60 nitroso-N,N-di-B-hydroxyethylaniline and 0.02 mole Analysis Calculated f Found 0.01 mole (1.85 g) of 3-chloro-6-acetylamino phenol a 65 5 1 is dissolved in 12 cc of a 50% hydroacetonic solution to (3% A5 6622 6598 which have been added cc of ammonia at 22 Be. To H% 5 this solution, cooled to 0C, there are added, little by N% 12.24 11.98 12.17

little and simultaneously with the aid of a double funnel, 0.02 mole (4.60 g) of ammonium persulfate in 20 cc of water, and 0.01 mole (3.56 g) of the trihydrochlo- MP 3 ride of 4-N-(ethyL-B-piperidino ethyl) amino aniline in 20 cc of water. At the termination of these additions, the reaction mixture is continued to be agitated for 10 minutes at which point the above indoaniline which has precipitated is filtered, washed with water and recrystallized in a hydroacetonic mixture. After drying under Preparation of N-[(4'-ethyl-B-sulfoethyl amino)- 1o phenyl]2,6-dimethyl-3-amino benzoquinoneimine in the form of its ammonium salt.

5 a vacuum the roduct exhibits a meltin oint of 96C. N11 (:11 P g P H 0 N N Analysis Calculated for Found 2O c..11..1-1,c10, CH 2 v C% 64.41 64.63 64.52 H H% 6.80 6.9l 6.90 2 N% 13.06 13.02 13.03 NH 01% 8.29 8.46 8.35

To a suspension of 0.05 mole (l2.9 g) of 4-nitroso- EXAMPLE 40 N,N-(ethyl-B-sulfoethyl) aniline and 0.05 mole (8.65 Preparation of N [(4, morphouno) pheny1] 2 g) of the hydrochloride of 2,6-d1methyl-3-am1no phechloro 5 acetylamino benzoquinoneimine nol in 100 c of iced water, there are added, little by little, with agitation, 10 cc of ammonia at 22 Be. The

resulting reaction mixture is then left to stand for 2 NHCOCH hours at 20C with agitation. There are then added 3 suffic1ent ammonia at 22 Be to achieve a pH of l l and sufficient ammonium chloride thereto to effect satura- 6 N t1on. After cooling for several hours at -5C the above O indoaniline crystallizes under the form of its ammonium salt. The indoaniline is filtered, washed with a l1ttle ice water and then with acetone and subsequently dried under a vacuum. It melts with decomposition at 0.01 mole (1.78 g) of N-[4'-(a i p y pholine is dissolved in 20 cc of water to which have Analysis calculated f pound been added 10 cc of isopropanol. Further 0.01 mole CIBHMN4O4S (1.85 g) of 2-chloro-5-acetylarnino phenol is dissolved N% 14,21 1451 1438 in 25 cc ofa 2 N sodium hydroxide solution. The result- 8.12 7.86 7.92 ing two solutions are mixed together and there is added thereto, little by little with agitation, and while maintaining the temperature thereof near 0C, 0.01 mole 2.3 of ammonium ersulfate in 10 cc of water. At EXAMPLE 39 :he er id of this addition? the reaction mixture is contin- Preparation of -l( yl,B-p p n hyl ued to be agitated for 10 minutes at which point the amino) P y iy above indoaniline which precipitates is then filtered, luinoneimine. washed with water and then with acetone and subsequently dried under a vacuum thereby producing a product exhibiting a melting point of 227C.

5 Analysis Calculated for Found -'N O ra ia a a C% 60.08 59.84 60.00

S3; lii li i 1% $12 miCOCl-l Cl% 9.36 10.12 10.16 N

EXAMPLE 41 Preparation of N-[(4'-ethyl, carbamylmethyl amino) phenyl]-2,6-dimethyl benzoquinoneimine.

, CH U H C I \L-Q o 0.5 H 0 4 0.02 mole (2.44 g) of 2,6-dimethyl phenol and 0.02 EXAMPLE 43 mole (3.86 g) of 4-amino-N-(ethyl,carbamylmethyl) aniline are dissolved in 60 cc of a 50% hydroacetonic solution to which have been added 30 cc of ammonia (22Be). To the resulting solution, cooled to a temperature between 0-5C, there is added, little by little, with agitation, 0.04 mole (9.2 g) of ammonium persulfate in 30 cc of water. At the end of this addition, the stirring CH cu cs of the reaction mixture is continued for 30 minutes at 5 about +5C. The above indoaniline which precipitates N O in the form of crystals is then filtered, washed with X Preparation of N-[(4-ethyl,B-mesylaminoethyl amino-2'-methyl) phenyl[-2,3-dimethyl ben- 15 zoquinoneimine.

water and recrystallized in a mixture of dimethylformamide and water. After drying under a vacuum the product melts at 88C, it is taken up again and melts at 146C NHSO CH Analysis Calculated for Found a 11 3 0.02 mole (2.44 g) of 2,3-xyleno1 and 0.02 mole cq, 6756 6732 (5.42 g) of 3-methy1-4-amino-N,N-(ethyl, B- 3% 2?; 2-7; mesylaminoethyl) aniline are dissolved in 100 cc of a 50% hydroacetonic solution to which have been added 10 cc of ammonia (22Be). To the resulting solution, cooled to 0C, there is added, little by little, with agita- EXAMPLE 42 tion 0.04 mole (9.2 g) of ammonium persulfate dissolved in 50 cc of water. At the end of this addition, the preparaton of N[(4 carbamylmethylammo) stirring of the reaction mixture is continued for a few phenyu'36'dimethyl benzoquinoneimine' minutes. The above indoaniline which has precipated is then filtered, washed with water, recrystallized in a CH 40 mixture of dimethylformamide and water and dried H 3 under a vacuum. it melts at 154C.

N Analysis Calculated for Found 1 2 c,.,n,,u,so, CONN 3 C% 61.68 61.79 2 11% 6.99 7.18 N% 10.79 10.90 S% 8.21 8.45 0.02 mole (2.44 g) of 2,5-dimethyl phenol and 0.02 mole (3.86 g) of 4-amino-N,N-(ethyl, carbamylmethyl) so aniline are dissolved in 25 cc of acetone, 20 cc of water and 25 cc of ammonia (22 Be). To the resultingsolu- EXAMPLE 44 tion, maintained at a temperature of about +5C, there Preparation of -i( y i y y ammo) is added", little by little, with agitation, 0.04 mole 9.2 p y lbenloquinoneimineg) of ammonium persulfate dissolved in 30 cc of water.

At the end of this addition, the stirring of the reaction mixture is continued for 15 minutes. The above indoaniline which precipitates is then filtered, washed 7 0 first with water and then with a little dimethylformamv ide and finally with water. After drying under a vacuum NH C at 100C, the product exhibits a melting point of 176C.

Analysis Calculated for Found CH u u s s I 2 C% 69.43 69.33 0 11% 6.80 7.04

0.02 mole (3.86 g) of 4-amino-N-(ethyl, carbamylmole g) of the hy rochloride f3-methoxy-flmethyl) aniline and 0.02 mole (3 g) of 3-ureido phen l nitroso-N,N-di-B-hydroxyethyl aniline is dissolved in are dissolved in 100 cc ofa 50% hydroacetonic solution 100 0 Of Water- Further, mole g) of y to which have been added 25 cc of ammonia (22 Be). 5- carbamylmethylamino phenol is dissolved in 100 cc To the resulting solution, cooled to 0C, there is added, of ethanol to which have been added 100 cc of a 1.2 N little by little with agitation, 0.04 mole (9.2 g) of am- NaOH solution. The two solutions are then mixed tomonium persulfate in solution in 40 cc of water. At the gether and the temperature of the resulting mixture is end of this addition the stirring of the reaction mixture maintained for 30 minutes at 45C. After cooling, the is Continued for 15 mlhutes- The above indoaniline above indoaniline which precipitates is then filtered, which has precipitated in the form of crystals is washed with water and dried under a vacuum. 1t melts filtered, washed with water, recrystallized in a mixture at 210 of dimethylformamide and water and dried under a vacuum. lt melts at 252C.

Analysis Calculated for Found 2B 4 5 Analysis Calculated for Found n m s a C% 59.69 59.56 c7 s9 s1 s9 79 H% 0 H% 5.6! 582 20 N% 13.92 14.09 N% 20.52 20.45

EXAMPLE 47 Preparation of N-[(4 -ethyl,B-mesylaminoethyl EXAMPLE 45 amino) phenyl]-6-methyl-3-carbamylmethylamino Preparation of N-[(4'-di-B-hydroxyethylamino-Z- benmqummmme methoxy) phenyl]-6-methyl-3-amino benzoquinoneimine.

0 NH -CH -C0NH 3 2 2 2 -cn -cn tr c N N N o 0 H 0 -Cl-L, 411 l 4 l NH S 0 CH 0.02 mole (5.5 g) of the hydrochloride of 3-methoxy- 3 4-nitroso-N,N-di-B-hydroxyethylaniline is dissolved in 50 cc of water. Further, 0.02 mole (2.46 g) of Z-methyI-S-amino phenol is dissolved in 10 cc of ethanol to 40 which have been added 20 cc ofa 1 N NaOH solution. mole g) of Y Y The two solutions are mixed together and the resulting thylamiho Phenol and mole g) of mixture is agitated for 30 minutes at C. The above hfly y aniline are dissolved in indoaniline which precipitates in the form of crystals is 20 cc of acetone, 15 cc of Water and 15 CC of ammonia then filtered, washed with water at 50C, recrystallized To the resulting Solution, cooled to there i a mixture f dimethylformamide and dried under a is added, by little, with agitation, mole vacuum It melts at 180C g) of ammonium persulfate in 15 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes at about 15C. The above Analysis calcumed f Found 50 indoaniline which has precipitated in the form of crys- C H N O tals is then filtered, washed with water, recrystallized in (3% 6259 6221 a mixture of dimethylformamide and water and dried 11% 6.71 6.97 under a vacuum. It melts at 134C. N% 12.17 12.15

EXAMPLE 46 Analysis Calculated for Found 10 11 11 4 1 Preparation of N-[(4'-di-B-hydroxyethylamino-2- C7 a 53.21 53.22 methoxy) phenyl]-6-methyl-3-carbamylmethylam1no H% 6.43 6.43 N% 15.52 15.67 benzoqumone 1mme. 5% mg 729 NH-CH -CO-Nl-1 Z' 2 thylamino) phenyl]-6-methyI-Z-B-hydroxyethylamino 3 benzoquinoneimine.

OH CH CH OCH3 2 2 H Preparation of N-[(4'-ethyl,B-mesylaminoe- H C NHCH -CH H y' 0 E 2 (.11 1 NHSO CH Analysis Calculated for Found C= H H O S C% 57.14 56.84 H% 6.66 6.77 N% l 3 .3 3 l 3. l 9 8% 7.61 7.97

EXAMPLE 49 Preparation of N-[(4'-ethyl,carbamylmethylamino)- phenyl]-6-methyl-3-carbethoxyamino benzoquinoneimine Nl-ICO-OC I-l 11 0 "Qw- 0 ,6 2 (3H NH 0.01 mole (1.65 g) of 4-amino-N,N-(ethyl, carbamylmethyl) aniline and 0.01 mole (1.95 g) of'2-methyl-5- carbethoxyamino phenol are dissolved in 50 cc of a 50% hydroacetonic solution to which have been added 12 cc of ammonia (22Be). To the resulting solution, cooled to 0C, there is added, little by little, with agitation, 0.02 mole (4.6 g) of ammonium persulfate dissolved in cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 20 minutes. The above indoaniline which has precipitated is then filtered, washed first with water and then with acetone, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum. It melts at 210C.

10 thylamino) Analysis Calculated for Found C20H24N4O4 C% 62.48 62.33 H% 6.29 6.2l N% [4.58 14.74

EXAMPLE 50 Preparation of N-[(4'-ethyl,B-mesylaminoephenyl]-6-methyl-3-acetylamino zoquinoneimine.

0.01 mole (1.65 g) of 2-methyl-5-acetylamino phenol and 0.01 mole (2.57 g) of 4-amino-N,N-(ethyl, mesylaminoethyl) aniline are dissolved in 40 cc of a 50% hydroacetonic solution to which have been added 15 cc of ammonia (22 Be). To the resulting solution, there is added, little by little, with agitation and while maintaining the temperature at about +5C, 0.02 mole (4.6 g) of ammonium persulfate dissolved in 20 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 30 minutes. The above indoaniline which has precipitated in the form of crystals is then filtered, washed with water, recrystallized in a mixture of dimethylformamide and water and dried under a vacuum at C. It melts at 163C.

ben-

lysis Calculated for Found zH,.N.o,s.0.5 11,0

EXAMPLE 51 Preparation of N-[(4'-ethyl,carbamylmethylamino) phenyl]-6-methyl-3-acetylamino benzoquinoneimine.

1-111coc11 H C I N N 0 G4 I 2 11 ONE 3 C 2 0.02 mole (3.86 g) of 4-amino-N,N-(ethyl, carbamylmethyl) aniline and 0.02 mole (3.3 g) of 2-methyl-5- acetylamino phenol are dissolved in l00 cc of a 50% hydroacetonic solution to which have been added 25 cc of ammonia (22Be). To the resulting solution, cooled to 0C, there is added, little by little, with agitation, 0.04 mole (9.2 g) of ammonium persulfate dissolved in 40 cc of water. At the end of this addition, the stirring of the reaction mixture is continued for 10 minutes. The above indoaniline which has precipitated is then filtered, recrystallized in dimethylformamide and dried under a vacuum. It melts at 252C.

35 36 Analysis Calculated for Found hours at amPrent temperature at which time it is then C H Np cooled to C for a period of 2 days. The above indoaniline which precipitates in the form of its ammo- C% 64.39 64.15 14% 1 619 mum salt 1s then filtered, washed first with a llttle ice N% 1581 1555 5 water and then with acetone and dried under a vacuum.

is chromatographically pure.

The product which melts with decomposition at 205C,

EXAMPLE 52 Preparation of N-[(4'-di-,B-hydroxyethylamino)- Analysis sljfi jg Found phenyl]-6-methyl-3-carbamylmethylamino benzoquinone 8% 7.10 7.22

NHCl-l CONH EXAMPLE 54 OHCH2CH2N N O Preparation of N-[(4'-ethyl,carbamylmethylamino) phenyl]-2,6-dimethyl-3-acetylamino benzoquinonei- OHCHECHE (1H mine Nl-lCOCl-l 0.1 mole (17.9g) of 2-methyl-5-carbamylme- CH thylamino phenol is dissolved in 220 cc of a 50% hydro- H 0 3 ethanolic normal NaOH solution. To this solution there is added 0.11 mole (27.1g) of the hydrochloride of N O 4-nitroso-N,N-(di-B-hydroxyethyl)aniline dissolved in CH 250 cc of water at 50C. The resulting reaction mixture 2 is maintained with agitation for one hour at 50C. The CO H above indoaniline which precipitates is then filtered, I washed with water, recrystallized in a mixture of di- N 2 methylformamide and water and dried under a vacuum. It melts at 205C.

0.1 mole (17.9g) of 2,6-dimethyl-5-acetylamino phe- Analysis calculated f Found nol and 0.11 mole (21.2g) of 4-amino-N,N-ethyl,car- C19H24N4O4 bamylmethyl aniline are dissolved in 500cc of isopro- C% 119 6102 60,98 panol, 900 cc of water and 500 cc of ammonia (22Be). H% To the resulting solution, maintained at a temperature of about +5c, there is added 0.22 mole (51 g) of am- 40 monium persulfate dissolved in 150 cc of water. At the end of this addition, the stirring of the reaction mixture EXAMPLE 53 is continued for minutes. The above indoaniline which has precipitated in the form of crystals is then filtered, washed first with water and then with acetone, and dried under a vacuum. lt melts at 222C.

Preparation of N-[(4'-ethyl,B-sulfoethyl amino-2'- methyl)phenyl]-2,6-dimethyl-3-acetylamino ben- 45 zoquinoneimine in the form of its ammonium salt Analysis Calculated for Found Il H0 OCH 3 CNHMNOa CH H c% 65.22 65.22 B 0 3 l 3 H% 6.52 6.78 N% 15.22 15.10

N 0 1 2 EXAMPLE 55 CH Preparation of N-[(4'-methyLB-hydroxyethylamino- 3-meth l)phen l]-3-ureido benzoquinoneimine NH Y 3 5 u 9 0.01 mole (1.79g) of 2,6-dimethyl-5-acetylamino C NHC-NH phenol and 0.01 mole (2.58g) of 4-amino-3-methyl- N,N-ethyl,B-sulfoethylaniline are dissolved in 30cc of 3 isopropanol, 5000 of water and 12 cc of ammonia (22Be). To the resulting solution there is added, little 6 by little, at a temperature of about 15C, 0.11 mole 2 (2.56g) of ammonium persulfate dissolved in 10 cc of 6 water. The reaction mixture is then left to stand for 24 2 0.01 mole (1.52 g) of 3-ureido phenol is dissolved in 25 cc of acetone to which have been added 25cc of ammonia (22Be). To the resulting solution, cooled in ice there are added, little by little, with agitation and simultaneously with the aid of a double funnel, 0.01 mole (2.77g) of the sulfide of 2-methy1-4-amino-N,N- methyl,fl-hydroxyethyl aniline dissolved in 25cc of water and 0.02 mole (4.6g) of ammonium persulfate dissolved in 40cc of water; At the end of these-additions, the stirring of the reaction mixture is continued for 1 hour at a temperature of about +5C. The above indoaniline which precipitates is then filtered, washed with ethyl alcohol (95), recrystallized in ethylacetate and dried under a vacuum. It melts at 205C.

Analysis Calculated for Found CHI-120N403 EXAMPLES OF USE Part A Examples of Hair Setting Lotions This composition when applied as a hair setting lotion to bleached hair imparts thereto a pale pearly glycine shade.

a2) Dye of Example 4 Copolymer of vinylpyrrolidone/ vinyl acetate 60/40, M.W. 80,000

to 120,000 2 g Ethyl alcohol (96) 20 g Triethanolamine, q.s.p. pH 9.5

Water, q.s.p. 100 g This composition when applied as a hair setting 10- tion to bleached hair imparts thereto a bright pearly- This composition when applied as a hair setting 10- tion to bleached hair imparts thereto a lightly metallic blue-grey coloration.

a4) Dye of Example 8 Copolymer of vinylpyrrolidone/ vinyl acetate, 30/70, M.W. 60,000 3 Ethyl alcohol (96) 45 Triethanolamine, q.s.p. pH 8 Water, q.s.p. 100

a5) Dye of Example 3 Copolymer of vinylpyrrolidone/ vinyl acetate 60/40, M.W. 80,000

to 120,000 1 g lsopropyl alcohol 25 g Triethanolamine, q.s.p. pH 10 1 Water, q.s.p. 100.00 g

This composition when applied as a hair setting 10- tion to bleached hair imparts thereto a rose blonde coloration.

a6) Dye of example 11 0.05

Copolymer of vinylpyrrolidone/ vinyl acetate, /30, M.W. 40,000 3 Ethyl alcohol (96) 45 Triethanolamine, q.s.p. pH 10.2 Water, q.s.p. 100

This composition when applied as a hair setting 10- tion to bleached hair imparts thereto a sea-green coloration with golden glints.

a7) Dye of example 2 0.06 g

Copolymer of vinylpyrrolidone/ vinyl acetate, 30/70, M.W. 160,000 2.75 g lsopropyl alcohol 20 g Triethanolamine, q.s.p. pH 8 Water, q.s.p. 100 g This composition when applied as a hair setting 10- tion to bleached hair imparts thereto a purplish ultramarine blue coloration.

a8) Dye of example 7 Terpolymer of methyl methacrylate/ stearyl methacrylatc/dimethyl methacrylate 20/23/57 (made in accordance with SN 287845 filed 11-9-1972) 2 g Ethyl alcohol (96) 35 g Triethanol amine, q.s.p. pH 8.5

Water q.s.p. 100 g This composition when applied as a hair setting 10- tion to bleached hair imparts thereto a light silvery turquoise coloration.

a9) Dye of example 5 0.16 g

Copolymer of vinylpyrrolidone/ vinyl acetate, 60/40, M.W. 80,000 to 120,000 2.25 g lsopropyl alcohol 30 g Triethanolamine, q.s.p. pH 9 Water, q.s.p. 100 g This composition when applied as a hair setting 10- tion to bleached hair imparts thereto a bright steel-grey coloration.

a10) Dye of example 1 0.25 g

Copolymer of vinyl acetate] crotonic acid, /10, M W 45,000 50,000 2 g 

1. A DYE COMPOSITION FOR KERATINIC FIBERS COMPRISING AN AQUEOUS OR HYDROALCOHOLIC SOLUTION OF AN INDOANILINE OF THE FORMULA
 2. The composition of claim 1 having a pH between 4 and
 11. 3. The composition of claim 1 having a pH between 6.5 and
 10. 4. The composition of claim 1 which also includes an effective amount of another direct dye for hair.
 5. The composition of claim 4 wherein said another direct dye is selected from the group consisting of nitro benzene dye, azo dye, anthraquinone, indamine, indophenol and indoaniline other than that of claim
 1. 6. The composition of claim 1 which also includes a glycol, a wetting agent or a mixture thereof.
 7. The composition of claim 1 which also includes in said hydroalcoholic solution 1 to 3 percent by weight of said composition of a cosmetic film-forming resin.
 8. The composition of claim 7 wherein the alcohol of said hydroalcoholic solution is a low molecular weight alcohol present in an amount of 20-70 percent by weight of said composition.
 9. The composition of claim 8 wherein said alcohol is ethanol or isopropanol.
 10. The composition of claim 7 wherein said cosmetic film-forming resin is selected from the group consisting of polyvinyl a copolymer of vinylpyrrolidone and vinyl acetate, a copolymer of vinyl acetate and crotonic acid, a copolymer of maleic anhydride and methylvinyl ether, monoethylester of maleic anhydride -methylvinyl ether copolymer, monoisopropylester of maleic anhydride -methylvinyl ether copolymer, monobutylester of maleic anhydride-methylvinyl ether, a copolymer of maleic anhydride and butylvinyl ether, a terpolymer of methyl methacrylate, stearyl methacrylate and dimethyl methacrylate, and a terpolymer of vinyl acetate, allyl stearate and allyloxyacetic acid.
 11. The composition of claim 1 present in the form of an aqueous solution, a cream or a gel.
 12. A process for dyeing keratinic fibers comprising impregnating the fibers to be dyed with an effective amount of a composition according to claim 1, permitting said composition to remain in contact with said fibers for a period ranging from about 5 to 30 minutes, rinsing said fibers, washing said fibers and drying said fibers.
 13. A process for coloring and setting human hair comprising applying to hair previously washed and rinsed an effective amount of the composition of claim 7, thereafter rolling the hair on rollers and then drying said hair. 